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"Plants for Coastal Gardens"

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"Plants for Coastal Gardens" Randy Baldwin San Marcos Growers We are often asked which plants tolerate coastal conditions. To this end San Marcos Growers created a display of seaside tolerant plants at the 1998 Santa Barbara Fair and Expo and added a search utility within our website to display this data. We feel however that this limited the information to only the plants we grow and did not adequately categorize the plants as to what zone (proximity to ocean) or severity of conditions they would tolerate. The following list is more complete and sorted for many of the zones that would be found in our coastal areas. This same topic has been dealt with in many references and this list borrows from them. It is intended to serve as a reference for our customers to help them choose appropriate plants for our coastal gardens. I am hoping that this list will remain dynamic, with further refinements and additions. If anyone notes a plant that is missing or has contrary information from what is on this list, I would appreciate hearing about it. This list was compiled from sources that categorize plants or zones of coastal influence differently. This makes a compilation into one general list nearly impossible. I have instead sorted the list first by the reference source, then by zone and last by the type of plant. For the listings from Hoyt's "Check Lists for Ornamental Plants of Subtropical Region” - Coastal Planting List" I have included his reliability rating as H1 (greatest) through H3 (least) The following reference sources were used: Chandler, Phillip E. Reference Lists of Ornamental Plants of Southern California Gardens Coastal list based on a study done by Joseph Seals, Consulting Horticulturist Elliot, Rodger & David Jones Encyclopaedia of Australian Plants Hoyt, Roland Stewart Hoyt Check Lists for Ornamental Plants of Subtropical Region” - Coastal Planting List Eliovson, Sima Wild Flowers of South Africa Metcalf, L.J The Cultication of Trees and Shrubs of New Zealand Yronwode, Catherine The California Gardener’s Book of Lists New York Botanic Garden Encyclopedia of Plants Sunset Western Garden Book San Marcos Growers www.smgrowers.com Roland Stewart Hoyt Check Lists for Ornamental Plants of Subtropical Region - Coastal Planting List Hoyt’s reliability rating 1 (greater) through 3 Zone 1 – Extreme Coastal Influence Trees Acacia longifolia (H 1) Ficus macrophylla (H 1) Albizzia lebbec (H 2) Juniperus barbadensis (H 3) Albizzia lophantha (H 3) Lagunaria patersonii (H1) Araucaria heterophylla (H 1) Metrosideros excelsa (H1) Casuarina equisetifolia (H 2) Myoporum laetum (H1) Chrysobalanus icacoa (H 3) Phoenix canariensis (H2) Clusia rosea (H 3) Phoenix reclinata (H3) Coccolobus floridiana (H 2) Pinus radiata (H2) Cocos nucifera (H 2) Pinus torreyana (H3) Corynocarpus laevigata (H 3) Pittosporum viridiflorum (H2) Cupressus macrocarpa (H 1) Populus alba (H 3) Dracaena sp. (some) (H 2) Quercus ilex (H1) Eucalyptus cornuta (H 3) Ricinus communis (H 3) Eucalyptus ficifolia (H 1) Thespia populnea (H 3) Eucalyptus lehmanni (H 2) Trachycarpus fortunei (H3) Eucalyptus torquata (H 3) Washingtonia robusta (H1) Shrubs Acacia armata (H2) Ilex paraguariensis (H3) Acokanthera spectabilis (H2) Jaquinea keyensis (H 2) Atriplex breweri (H1) Juniperus conferta (H1) Carissa grandiflora (H1) Lantana comara (H3) Ceratostigma griffithii (H3) Lavatera assurgentiflora (H1) Cocolobis uvifera (H 1) Leptospermum laevigatum (H1) Coprosma repens (H1) Ligustrum lucidum (H1) Correa pulchella (H2) Lonicera nitida (H2) Cotoneaster pannosa (H 3) Lotus formosananus (H 3) Dodonaea viscosa (H2) Lychium richi (H 1) Dovyalis caffra (H3) Medicago arborea (H 3) Eleagnus pungens (H2) Melaleuca nesophila (H1) Eriogonum arborescens (H3) Phlomis fruticosa (H3) Escallonia rosea (H1) Pittosporum crassifolium (H1 Euonymus japonicus (H2) Pittosporum tobira (H2) Grevillea banksii (H3) Podalyrea sericea (H 3) Griselinia littoralis (H2) Rhaphiolepis sp. (H1) Hakea suaveolens (H2) Rhamnus alaternus (H2) Halimium halmifolium (H3) Rhus integrifolia (H1) Hebe carnea (H2) Rosmarinus officinalis (H3) Heteromeles arbutifolia (H2) Sparteum junceum (H3) Hibiscus tileaceus (H2) Triphasia trifoliata Hymenanthera crassifolia (H 3) Westringia fruticosa (H1) Vines Asparagus falcatus (H3) Lonicera hildebandiana (H1) Cissus trifoliata (H2) Jasminum volubile (J.simplicifolium)(H2) Distictis buccinatoria (H1) Muehlenbeckia complexa (H2) Ficus pumila (H2) Solandra maxima (H1) Ipomoea pes-cari (H3) Rosa banksiae (H2) San Marcos Growers - www.smgrowers.com Hoyt Zone 1 – Extreme Coastal Influence (Continued) Herbaceous / Succelent Plants Abronia sp. (H1) Iris unguicularis (H2) Agave sp. (H2) Kalanchoe flammea (H3) Aloe sp. (H2) Lessingia filaginifolia (H3) Lobularia maritinum (H1) Senecio repens (H1) Ammophila maritima (H2) Lavandula officinalis (H2) Atriplex semibaccata (H1) Limonium perezii (H1) Armeria maritima (H2) Lotus masaensis (H2) Centranthus ruber (H2) Mesembryantheum sp. (H1) Ceratostigma plumbaginoides (H2) Oenothera tetraptera (H2) Chrysanthemum maximum (H2) Ophiopogon japonica (H2) Coreopsis maritima (H2) Pachyphytum bracteosum (H2) Crassula argentea (H1) Phormium tenax (H2) Dimorohotheca ecklonis (H3) Portulacaria afra (H2) Duddeya pulverulenta (H2) Pelargonium domesticum (H1) Eriophyllum caespitosum (H3) Salvia argentea (H3) Erysimum capitatum (H3) Sedum album (H1) Fragaria chiloensis (H2) Sempervivum calcareum (H1) Frankenia capitata laevis(H3) Senecio cineraria (H2) Furcraea gigantea (H1) Stenotaphrum secundatum (H1) Gazania splendens (H1) Tetragonia expansa (H3) Glaucium flavum (H3) Veronica incana (H3) Grindelia robusta (H3) Vigna marina (H3) Helichrysum petiolare (H1) Wedelia trilobata (H3) Second Zone Trees Acacia pruinosa (H2) Guiaicum officinale (H3) Agathis robusta (H3) Juniperus torulosa (H2) Albizzia julibrissim (H2) Macadamia ternifolia (H1) Araucaria bidwillii (H1) Melaleuca quinquenervia (H1) Bucida bucerus (H3) Melicoccus bijugatus (H3) Calophyllum inophyllum (H3) Lyonothamnus floribundus (H3) Callistemon viminalis (H1) Maytenus boaria (H2) Casuarina species (H1) Olea africana (H 3) Crinodendron patagua (H2) Phoenix (species) (H2) Cupressus (some species) (H1) Pinus (some species) (H1) Eriobotrya japonica (H1) Pittosporum undulatum (H3) Eucalyptus (species) (H1) Quercus virginiana (H2) Erythea edulis (H2) Schinus terebinthifolius (H2) Ficus (species) (H1) Ulmus crassifolius (H3) Second Zone Shrubs Acacia verticillata (H1) Camellia sasanqua (H3) Aeonium spathulatum (H2) Cassia splendida (H2) Anthyllis barba-jovis (H2) Ceanothus verrucosus (H1) Baccharis (species) (H1) Ceratostigma willmontianum(H2) Berberis darwinii (H2) Cestrum diurnum (H3) Brachysema lanceolatum (H2) Convolvulus cneorum (H2) Buddleja salvifolia (H3) Cistus (species) (H1) Callistemon species (H1) Correa (species) (H2) Calothamnus quadrifidis (H3) Cotoneaster (species) (H1) Cytissus canariensis (H2) Erica canaliculata (H1) Echium fastuosum (H1) Eriocephalus africanus (H3) San Marcos Growers - www.smgrowers.com Hoyt Second Zone Shrubs (Continued) Eriogonum (some sp.) (H3) Nerium oleander (H2) Erythrina crista-galli (H3) Noltea africana (H3) Escallonia species (H1) Ochna multiflora (H2) Fatsia japonica (H2) Odospermum sericeum (H3) Garrya elliptica (H3) Osmanthus fortunei (H2) Genista monosperma (H2) Phyllyrea latifolia (H3) Gossypium sturti (H3) Pittosporum (species) (H1) Grevillea rosmarinifolia (H3) Polygala dalmaisiana (H1) Grewia occidentalis (H1) Prunus lyonii (H1) Hakea laurina (H1) Pseudopanax lessonii (H2) Halimium (species) (H3) Psoralea pinnata (H2) Hebe (species) (H1) Pyracantha (species) (H1) Hibiscus rosa-sinensis (H3) Rhus (species) (H2) Ilex (species) (H3) Ribes viburnifolium (H3) Juniperus (species) (H1) Romneya coulteri (H2) Lantana (species) (H2) Salvia greggii (H3) Laurus nobilis (H1) Siphonosmanthus delavayi (H3) Leptospermum scoparium(H2) Sollya heterophylla (H2) Ligustrum (species) (H1) Teucrium fruticans (H2) Lupinus arboreus (H3) Viburnum japonicum (H2) Melaleuca (species) (H1) Viburnum odoratissimum (H3) Myrsine africana (H2) Second Zone Vines Anemopoegma chamberlayni (H2) Ipomoea (species) (H2) Bougainvillea (varieties) (H1) Lonicera confusa (H2) Cissus (species) (H2) Oxera pulchella (H3) Clematis indevisa (H2) Passiflora recemosa (H2) Hedera canariensis (H1) Stigmaphyllum littorale (H3) Second Zone Herbaceous Agapanthus africanus (H2) Malcolmia maritima (H1) Anenome japonica (H1) Matthiola incana (H2) Bergenia cordifolia (H1) Morea (species) (H1) Calendula officinalis (H1) Nepeta x faassenii (H2) Campanula poscharskyana (H3) Ophiopogon (species) (H2) Chrysanthemum maximum (H3) Pancrateum maritimum (H3) Coreopsis lanceolata (H2) Pelargonium peltatum (H1) Dianthus (species) (H2) Phlox drummondii (H2) Dietes (species) (H1) Phyla canescens (H3) Echium wildpreti (H3) Reineckia carnea (H3) Erigeron karvinskianus (H1) Salvia farinacea (H2) Eschscholtzia californica (H3) Scabiosa caucasica (H3) Felicia (species) (H1) Sedum (species) (H1) Geum chiloense hybrids (H2) Senecio (species) (H2) Hemerocallis aurantiaca (H1) Thymus (species) (H3) Heuchera sanguinea (H2) Tulbaghia (species) (H3) Jasminum parkeri (H3) Veronica (species) (H2) Iris germanica (H2) Vinca major (H1) Kalanchoe fedschenkoi (H3) Zantedeschia aethiopica (H3) Lavatera olbia (H3) Zephyranthes candida (H2) Linum narbonnense (H3) Zoysia tenuifolia (H3) Liriope spicata (H2) San Marcos Growers - www.smgrowers.com Hoyt Third Zone Trees Acacia (species) (H1) Olea europaea (H2) Butia capitata (H2) Pittosporum (species) (H1) Calodendrum
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